Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 11
... diorites , metadiori- tes , hypersthene gabbros and garnet - amphibole gneisses . These northeast- southwest trending rocks occupy a larger part of the northern Kohistan and extend westward into Dir where the outcrops are flanked by ...
... diorites , metadiori- tes , hypersthene gabbros and garnet - amphibole gneisses . These northeast- southwest trending rocks occupy a larger part of the northern Kohistan and extend westward into Dir where the outcrops are flanked by ...
Page 89
PETROGRAPHY OF QUARTZ DIORITES TO THE SOUTH OF KALAM , SWAT M. Qasim Jan ABSTRACT The quartz diorites of Swat Kohistan appear to be partial melting products of more mafic rocks during the collision of Asian - Indian landmasses and the ...
PETROGRAPHY OF QUARTZ DIORITES TO THE SOUTH OF KALAM , SWAT M. Qasim Jan ABSTRACT The quartz diorites of Swat Kohistan appear to be partial melting products of more mafic rocks during the collision of Asian - Indian landmasses and the ...
Page 144
... diorites with such K2O in the studied area . They fall , therefore , outside the area of diorites defined in fig . I. The grouping of the analysed specimens into low - silica diorite , normal diorite , high - K diorite and granodiorite ...
... diorites with such K2O in the studied area . They fall , therefore , outside the area of diorites defined in fig . I. The grouping of the analysed specimens into low - silica diorite , normal diorite , high - K diorite and granodiorite ...
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Common terms and phrases
abundant amphibole amphibolites andesite anorthosite assemblages associated Bajaur Baltistan bands Baraul belt biotite Bull calc-alkaline Chaudhry Chitral chlorite clinopyroxene coarse-grained composition contain Cretaceous Desio Diwangar epidote fault feldspar foliation Formation garnet granulites Geol Geology Gilgit gneisses gneissose grains granitic rocks Granodiorite granulites green Greenstone Complex grey Group Hazara Himalaya hornblende hypersthene igneous Indo-Pakistan Indus valley intrusions island arc Jan and Mian Jandul Kakar Kalam Karakoram Khan Kohistan layers limestone mafic magma Main Mantle Thrust margins metamorphic metasedimentary rocks metasediments mica Nanga Parbat norites occur opaque minerals orthopyroxene outcrops Pakistan pegmatites peridotites Peshawar Petrography petrology plagioclase plate pyroxene pyroxene granulites pyroxenites quartz diorites quartzites rarely region Reshun rutile schists sequence SiO2 slates southern sphene structure suture zone Swat Kohistan syntaxis Tahirkheli tectonic Tertiary texture thick trend tuffs twinning ultramafic rocks Univ Upper Swat Ushu Gol Utmankhel veins vicinity volcanic rocks whilst xenoliths Yasin